EPA Air · stack tests by county and year

Air-emissions stack tests in Weld County, Colorado, 2020

208Stack tests

A stack test measures what a source actually emits, at the stack, against the limit in its permit. Each row below is one stack test recorded against a source in Weld County, Colorado during 2020. A facility can appear several times: this is the year’s record of what happened, not a list of places. The sources themselves are on the Weld County facility page.

Weld County, Colorado, 2020

Air-emissions stack tests in Weld County, other years

Air-emissions stack tests recorded in Weld County, Colorado, 2020

Date	Facility	Kind	Agency
2020-12-10	WES WATTENBURG - CENTRAL OIL STABIL	Pass	State
2020-12-08	ROCKY MT MIDSTREAM- KEENESBURG GAS PLANT	Pass	State
2020-12-05	BONANZA CREEK - WETCO FARMS A-4 PAD	Pass	State
2020-12-04	BONANZA CREEK - WETCO FARMS A-4 PAD	Pass	State
2020-12-04	BONANZA CREEK - WETCO FARMS A-4 PAD	Pass	State
2020-12-03	WES DJ GATHERING - FREDERICK CS — high-priority violation on file	Pass	State
2020-12-02	BONANZA CRK ENERGY - NORTH PLATTE 24-34	Pass	State
2020-12-02	ROCKY MOUNTAIN MIDSTREAM - LOCHBUIE C.S.	Pass	State
2020-12-02	ROCKY MOUNTAIN MIDSTREAM - LOCHBUIE C.S.	Pass	State
2020-12-02	EXTRACTION O&G - JOHNSON'S CORNER	Fail	State
2020-12-02	EXTRACTION O&G - JOHNSON'S CORNER	Fail	State
2020-12-01	ROCKY MOUNTAIN MIDSTREAM - LOCHBUIE C.S.	Pass	State
2020-12-01	ROCKY MOUNTAIN MIDSTREAM - LOCHBUIE C.S.	Pass	State
2020-12-01	EXTRACTION - TRIPLE CREEK PRODUCTION	Fail	State
2020-12-01	EXTRACTION - TRIPLE CREEK PRODUCTION	Fail	State
2020-12-01	KERR-MCGEE- MUSTANG U-22 PRODUCTION FACI	Pass	State
2020-12-01	KERR-MCGEE- MUSTANG U-22 PRODUCTION FACI	Pass	State
2020-12-01	KERR-MCGEE- MUSTANG U-22 PRODUCTION FACI	Pass	State
2020-12-01	KERR-MCGEE- MUSTANG U-22 PRODUCTION FACI	Pass	State
2020-12-01	KERR MCGEE - MUSTANG 14-26 PROD FACIL	Pass	State
2020-11-30	EXTRACTION O&G - HFE 22-P PROD FACILITY	Pass	State
2020-11-30	KERR-MCGEE- MUSTANG U-22 PRODUCTION FACI	Pass	State
2020-11-30	KERR-MCGEE- MUSTANG U-22 PRODUCTION FACI	Pass	State
2020-11-30	KERR-MCGEE- MUSTANG U-22 PRODUCTION FACI	Pass	State
2020-11-30	KERR-MCGEE- MUSTANG U-22 PRODUCTION FACI	Pass	State
2020-11-17	HIGHPOINT - GRINDE 1-64-5_4	Pass	State
2020-11-06	WES DJ GATHERING - FREDERICK CS — high-priority violation on file	Pass	State
2020-11-05	WES DJ GATHERING - FREDERICK CS — high-priority violation on file	Pass	State
2020-11-04	WES DJ GATHERING - FREDERICK CS — high-priority violation on file	Pass	State
2020-11-02	SUMMIT DJ-O OPERATING - KOKI — high-priority violation on file	Pass	State
2020-11-02	SUMMIT DJ-O OPERATING - KOKI — high-priority violation on file	Pass	State
2020-10-30	WES DJ GATHERING - FREDERICK CS — high-priority violation on file	Pass	State
2020-10-30	DUNAMIS ENERGY - SASKATCHEWAN PAD	Pass	State
2020-10-29	WES DJ FT LUPTON/PLATTE VALLEY/LANCASTER — high-priority violation on file	Pass	State
2020-10-29	WES DJ GATHERING - FREDERICK CS — high-priority violation on file	Pass	State
2020-10-28	WES DJ GATHERING - FREDERICK CS — high-priority violation on file	Pass	State
2020-10-27	DCP OPERATING CO - O'CONNOR GAS PLANT	Pass	State
2020-10-27	DCP OPERATING CO - O'CONNOR GAS PLANT	Pass	State
2020-10-23	WES DJ FT LUPTON/PLATTE VALLEY/LANCASTER — high-priority violation on file	Pass	State
2020-10-22	WES DJ FT LUPTON/PLATTE VALLEY/LANCASTER — high-priority violation on file	Pass	State
2020-10-22	WES DJ FT LUPTON/PLATTE VALLEY/LANCASTER — high-priority violation on file	Pass	State
2020-10-22	BONANZA CREEK ENERGY- NORTH PLATTE 14-36	Pass	State
2020-10-22	BONANZA CREEK ENERGY- NORTH PLATTE 14-36	Pass	State
2020-10-22	BONANZA CREEK ENERGY- NORTH PLATTE 14-36	Pass	State
2020-10-22	BONANZA CREEK ENERGY- NORTH PLATTE 14-36	Pass	State
2020-10-22	BONANZA CREEK ENERGY- NORTH PLATTE 14-36	Pass	State
2020-10-21	BONANZA CREEK - WETCO FARMS A-4 PAD	Fail	State
2020-10-21	BONANZA CREEK - WETCO FARMS A-4 PAD	Fail	State
2020-10-21	BONANZA CREEK - WETCO FARMS A-4 PAD	Fail	State
2020-10-20	NOBLE ENERGY - WELLS RANCH AA24, AA23, B	Pass	State
2020-10-15	COLORADO INTERSTATE GAS CO - CHEYENNE CS — high-priority violation on file	Pass	State
2020-10-14	WES DJ FT LUPTON/PLATTE VALLEY/LANCASTER — high-priority violation on file	Pass	State
2020-10-14	SOUTHERN STAR CENTRAL GAS PIPELINE CHEYE	Pass	State
2020-10-14	EXTRACTION - CITO TRUST PROD FACILITY	Pass	State
2020-10-14	EXTRACTION - CITO TRUST PROD FACILITY	Pass	State
2020-10-07	BONANZA CREEK - LONGHORN U-10 PROD FAC	Pass	State
2020-10-07	BONANZA CREEK - LONGHORN U-10 PROD FAC	Pass	State
2020-10-07	BONANZA CREEK - LONGHORN U-10 PROD FAC	Pass	State
2020-09-23	SUMMIT MIDSTREAM NIOBR - ANGUS COMPR STN	Pass	State
2020-09-22	SUMMIT MIDSTREAM NIOBR - ANGUS COMPR STN	Pass	State
2020-09-22	SUMMIT MIDSTREAM NIOBR - ANGUS COMPR STN	Pass	State
2020-09-21	SUMMIT MIDSTREAM NIOBR - HEREFORD RANCH	Pass	State
2020-09-15	KERR MCGEE - MUSTANG Y-34 PRODUCTION FAC	Pass	State
2020-09-15	KERR MCGEE - MUSTANG Y-34 PRODUCTION FAC	Pass	State
2020-09-15	KERR MCGEE - MUSTANG Y-34 PRODUCTION FAC	Pass	State
2020-09-10	PUBLIC SERV - ROCKY MOUNTAIN ENERGY	Pass	State
2020-09-10	DCP OPERATING CO - CROSSROADS FACILITY	Pass	State
2020-09-10	DCP OPERATING CO - CROSSROADS FACILITY	Pass	State
2020-09-10	KERR MCGEE - MUSTANG 12-26 PROD FACILITY	Pass	State
2020-09-10	KERR MCGEE - MUSTANG 12-26 PROD FACILITY	Pass	State
2020-09-10	KERR MCGEE - MUSTANG 12-26 PROD FACILITY	Pass	State
2020-09-09	PUBLIC SERV - ROCKY MOUNTAIN ENERGY	Pass	State
2020-09-09	DCP OPERATING CO - GODFREY BOTTOM C.S.	Pass	State
2020-09-09	DCP OPERATING CO - GODFREY BOTTOM C.S.	Pass	State
2020-09-09	KERR-MCGEE - MUSTANG 44-22 PRODUCTION	Pass	State
2020-09-09	KERR-MCGEE - MUSTANG 44-22 PRODUCTION	Pass	State
2020-09-09	KERR-MCGEE - MUSTANG 44-22 PRODUCTION	Pass	State
2020-09-08	DCP OPERATING CO - ROCKY TURBINE CS	Pass	State
2020-09-02	DCP OPERATING CO - GREELEY NATURAL GAS P	Pass	State
2020-09-02	DCP OPERATING CO - GREELEY NATURAL GAS P	Pass	State
2020-09-02	DCP OPERATING CO - GREELEY NATURAL GAS P	Pass	State
2020-09-01	DCP OPERATING CO - GREELEY NATURAL GAS P	Pass	State
2020-09-01	DCP OPERATING CO - GREELEY NATURAL GAS P	Pass	State
2020-09-01	DCP OPERATING CO - GREELEY NATURAL GAS P	Pass	State
2020-09-01	DCP OPERATING CO - GREELEY NATURAL GAS P	Pass	State
2020-09-01	DCP OPERATING CO - GREELEY NATURAL GAS P	Pass	State
2020-08-26	DCP OPERATING CO - MEWBOURN — high-priority violation on file	Pass	State
2020-08-18	WES DJ GATHERING - LATHAM GAS PLANT	Pass	State
2020-08-06	ROCKIES EXPRESS PIPELINE-CHEYENNE HUB CS	Pass	State
2020-08-05	FRONT RANGE ENERGY, LLC	Pass	State
2020-08-05	FRONT RANGE ENERGY, LLC	Pass	State
2020-08-04	ROCKIES EXPRESS PIPELINE-CHEYENNE HUB CS	Pass	State
2020-08-03	ROCKIES EXPRESS PIPELINE-CHEYENNE HUB CS	Pass	State
2020-07-30	BONANZA CREEK - ANTELOPE CPF 13-21	Pass	State
2020-07-30	BONANZA CREEK - ANTELOPE CPF 13-21	Pass	State
2020-07-30	BONANZA CREEK - ANTELOPE CPF 13-21	Pass	State
2020-07-30	BONANZA CREEK - ANTELOPE CPF 13-21	Pass	State
2020-07-29	WES DJ GATHERING - FREDERICK CS — high-priority violation on file	Pass	State
2020-07-29	PUBLIC SERV - ROCKY MOUNTAIN ENERGY	N/A	State
2020-07-29	PUBLIC SERV - ROCKY MOUNTAIN ENERGY	N/A	State

Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.